TY - JOUR
T1 - Multifunctional 1,3-benzoxazole-merocyanine-based probe for the ratiometric fluorescence detection of pH/HSO3−/viscosity in mitochondria
AU - Wu, Wei Na
AU - Song, Yu Fei
AU - Zhao, Xiao Lei
AU - Wang, Yuan
AU - Fan, Yun Chang
AU - Xu, Zhi Hong
AU - James, Tony D.
N1 - Funding Information:
This work was supported in part by the National Natural Science Foundation of China (No. 21907023 and 21001040), the Joint Program for Fostering Talents of National Natural Science Foundation of China and Henan Province (No. U1304202 and U1604124), the State Scholarship Fund (No. CSC 201908410366), the Science and Technology Department of Henan Province (No. 212102210033, 212102310388, 222102320069, 222300420523 and 212102210646), Key Program of Xuchang University (No. 2019-JC-02), the Scientific Research Innovation Team of Xuchang University (No. 2022CXTD001) and the Open Research Fund of the School of Chemistry and Chemical Engineering, Henan Normal University (No. 2020ZD01).
Data availability
All data generated or analysed during this research are included in this published article and as part of the supplementary information.
PY - 2023/5/15
Y1 - 2023/5/15
N2 - pH, HSO3−, and viscosity are crucial bio-markers for evaluating the status of mitochondria in the cell micro-environment. With this research, we developed a ratiometric mitochondria-targeting fluorescent probe 1 that was responsive toward bisulphite, pH and viscosity. Hydroxylphenyl 1,3-benzoxazole (D) acted as a pH recognition unit; benzo[e]indolium (A) acted as a fluorescent rotor to achieve a viscosity response; the C = C bond constructed by bridging D and A was susceptible to nucleophilic attack and hence responded to HSO3−. Probe 1 exhibits significant ratiometric signal changes, high sensitivity, outstanding selectivity, and good stability for detecting pH, viscosity, and SO2 in solution. Probe 1 was used for imaging pH, viscosity, and SO2 derivatives in live cells and zebrafish, indicating its potential for identifying mitochondrial dysfunctions.
AB - pH, HSO3−, and viscosity are crucial bio-markers for evaluating the status of mitochondria in the cell micro-environment. With this research, we developed a ratiometric mitochondria-targeting fluorescent probe 1 that was responsive toward bisulphite, pH and viscosity. Hydroxylphenyl 1,3-benzoxazole (D) acted as a pH recognition unit; benzo[e]indolium (A) acted as a fluorescent rotor to achieve a viscosity response; the C = C bond constructed by bridging D and A was susceptible to nucleophilic attack and hence responded to HSO3−. Probe 1 exhibits significant ratiometric signal changes, high sensitivity, outstanding selectivity, and good stability for detecting pH, viscosity, and SO2 in solution. Probe 1 was used for imaging pH, viscosity, and SO2 derivatives in live cells and zebrafish, indicating its potential for identifying mitochondrial dysfunctions.
KW - Bioimaging
KW - HSO
KW - pH
KW - Ratiometric fluorescent probe
KW - Viscosity
UR - http://www.scopus.com/inward/record.url?scp=85151515837&partnerID=8YFLogxK
U2 - 10.1016/j.cej.2023.142553
DO - 10.1016/j.cej.2023.142553
M3 - Article
AN - SCOPUS:85151515837
SN - 1385-8947
VL - 464
JO - Chemical Engineering Journal
JF - Chemical Engineering Journal
M1 - 142553
ER -